CN115153250A - A portable camp bed - Google Patents

Abstract

The invention provides a portable camp bed, which relates to the technical field of daily necessities. The easy-to-carry camp bed comprises two folding rods symmetrically arranged with each other, a cloth is connected between the two folding rods, and the folding rods are formed by a third folding rod. A connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod are hinged in sequence, and the hinges on the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod all rotate The outrigger is connected, and a transmission mechanism for controlling the rotation of the outrigger is installed on the folding rod. When the folding rod is unfolded, the transmission mechanism makes the outrigger vertical to the folding rod. When the folding rod is folded, the transmission mechanism makes the outrigger and the folding rod The rod is parallel; when folded, the folding rod is folded, and at the same time, the legs are folded under the action of the transmission mechanism, so as to facilitate the folding. When the folding rod is folded, the folding mechanism is folded, so that the two folding rods are closed, so Small in size when folded, easy to carry.

Description

A portable camp bed

technical field

The invention relates to the technical field of daily necessities, in particular to a portable camp bed.

Background technique

In order to improve people's sleep comfort when people are camping or exploring outdoors, people often bring folding beds.

However, the current folding bed is still very bulky after being folded, so it is very inconvenient for people to carry.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a portable camp bed, which aims to solve the problem that the folding bed in the prior art is inconvenient for people to carry.

In order to achieve the above purpose, the present invention adopts the following technical scheme: the portable camp bed includes two folding rods symmetrically arranged with each other, a cloth is connected between the two folding rods, and the folding rods are connected by a first connecting rod. , the second connecting rod, the third connecting rod and the fourth connecting rod are hinged in sequence, and the hinged joints on the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are all rotatably connected with a support. A transmission mechanism for controlling the rotation of the outrigger is installed on the folding rod. When the folding rod is unfolded, the transmission mechanism makes the outrigger vertical to the folding rod. When the folding rod is folded, the transmission mechanism makes the outrigger parallel to the folding rod. A folding mechanism for spreading the cloth is installed between the two folding rods.

In order to make the present invention have the function of facilitating folding, a further technical solution of the present invention is that the thicknesses of the first link, the second link, the third link and the fourth link are the same, and the first link The rotation axis at the hinge joint with the second link is on the plane where the bottom surfaces of the first link and the second link are located, and the rotation axis at the hinge joint of the third link and the fourth link is on the third link and the fourth link. On the plane where the bottom surface of the four-link is located, the distance between the rotation axis of the hinge joint of the second link and the third link and the plane where the bottom surfaces of the second link and the third link are located is equal to the distance between the second link and the third link thickness of.

In order to make the present invention have the function of making the outrigger rotate by itself when folded, a further technical solution of the present invention is that the outrigger is divided into a first outrigger hinged at the hinge of the first link and the second link, a hinged The second leg at the hinge of the second link and the third link, the third leg hinged at the hinge of the third link and the fourth link, the transmission mechanism includes a mechanism for controlling the rotation of the first leg The first transmission mechanism, the second transmission mechanism for controlling the rotation of the second outrigger, and the third transmission mechanism for controlling the rotation of the third outrigger.

A further technical solution of the present invention is that the first transmission mechanism includes a first ring gear fixedly connected in the first connecting rod, a first gear is engaged in the first ring gear, and the first gear is engaged with There is a second gear rotatably connected with the second connecting rod, the axes of the first ring gear and the second gear are located on the rotation axis of the hinge joint of the first connecting rod and the second connecting rod, and the second gear is connected with the first connecting rod. The two connecting rods are connected in rotation, the second gear is fixedly connected with the first leg, and the transmission ratio between the first ring gear and the second gear is two.

A further technical solution of the present invention is that the second transmission mechanism includes a rotating shaft rotatably mounted on the other end of the second connecting rod, one end of the rotating shaft is fixedly connected with a third gear, and the other end of the rotating shaft is connected to the The second leg is fixedly connected, the third gear is meshed with a fourth gear, the fourth gear is fixedly mounted on the third connecting rod, and the axis of the fourth gear is located between the third connecting rod and the second connecting rod On the rotation axis of the hinge joint, the transmission ratio of the third gear and the fourth gear is two.

A further technical solution of the present invention is that the structure of the third transmission mechanism is the same as that of the first transmission mechanism.

In order to enable the present invention to have the function of supporting two folding rods, a further technical solution of the present invention is that the folding mechanism includes four sets of connecting assemblies and two sets of fixing assemblies, the connecting assemblies include an intermediate rod, and the intermediate rod At least two fifth connecting rods are hinged on both sides, the other end of the fifth connecting rod is hinged with a connecting rod, and the other side of the connecting rod is hinged with at least two sixth connecting rods. The other end of the rod is hinged with the folding rod, and the folding mechanism further includes a fixing assembly for keeping a certain distance between the two folding rods.

A further technical solution of the present invention is that the fixing assembly includes two support rods, both ends of the support rod are fixedly connected with a connecting sleeve, and both ends of the folding rod are provided with a connecting sleeve adapted to the connecting sleeve. Pole.

A further technical solution of the present invention is that a support rod is detachably connected to the bottom of the connecting sleeve, and a slot into which the support rod can be inserted is formed on the insertion rod.

A further technical solution of the present invention is that a slot is arranged at the bottom of the connecting sleeve, an arc-shaped elastic sheet is arranged in the slot, and a protrusion is arranged on the support rod.

The beneficial effects of the present invention are:

1. When the present invention is used, when folded, the folding rod is folded, and at the same time, the legs are folded under the action of the transmission mechanism, so as to facilitate the folding. When the folding rod is folded, the folding mechanism is folded, so that the two folded The rods close together, so they are small and easy to carry when folded.

2. When the present invention is used, when the first link rotates relative to the second link, the first ring gear rotates the first gear, so that the second gear rotates with the first leg. The transmission ratio of the second gear is two, so when the first link and the second link are folded together, the first leg rotates ninety degrees, so it is folded together with the first link and the second link, and the other The legs are the same, so it is easy to fold.

Description of drawings

FIG. 1 is a schematic structural diagram of a specific embodiment of the present invention after the cloth is removed.

FIG. 2 is a schematic structural diagram of a specific embodiment of the present invention.

FIG. 3 is a schematic view of the structure of the hidden cloth after folding according to the specific embodiment of the present invention.

FIG. 4 is a cross-sectional view of a connecting sleeve in a specific embodiment of the present invention.

FIG. 5 is a schematic structural diagram of a second transmission mechanism in a specific embodiment of the present invention.

FIG. 6 is a schematic structural diagram of a first transmission mechanism in a specific embodiment of the present invention.

In the picture: 1. Protrusion; 2. Folding rod; 3. Cloth; 4. Outrigger; 5. The first ring gear; 6. The first gear; 7. The second gear; 8. The rotating shaft; 9. The third Gear; 10, the fourth gear; 11, the middle rod; 12, the fifth link; 13, the connecting rod; 14, the sixth link; 15, the support rod; 16, the connecting sleeve; 17, the insertion rod; 18, the support Rod; 19, arc shrapnel; 21, first link; 22, second link; 23, third link; 24, fourth link; 41, first leg; 42, second leg; 43. The third leg.

Detailed ways

The specific embodiments of the present invention will be further described below with reference to the accompanying drawings.

As shown in Figures 1-6, a portable camp bed includes two folding rods 2 arranged symmetrically with each other, a cloth 3 is connected between the two folding rods 2, and the folding rod 2 is composed of a first link 21, a second The connecting rod 22 , the third connecting rod 23 and the fourth connecting rod 24 are hinged in sequence, and the hinge joints on the first connecting rod 21 , the second connecting rod 22 , the third connecting rod 23 and the fourth connecting rod 24 are all rotatably connected There are outriggers 4, and a transmission mechanism for controlling the rotation of the outriggers 4 is installed on the folding rod 2. When the folding rod 2 is unfolded, the transmission mechanism makes the outriggers 4 perpendicular to the folding rod 2. When the folding rod 2 is folded, the transmission mechanism makes The legs 4 are parallel to the folding rods 2 , and a folding mechanism for spreading the cloth 3 is installed between the two folding rods 2 .

In this specific embodiment, when folding, the folding rod 2 is folded, and at the same time, the legs 4 are folded under the action of the transmission mechanism, so as to facilitate the folding. When the folding rod 2 is folded, the folding mechanism is folded, so that the The two folding rods 2 are folded together, so the folded volume is small and easy to carry.

Specifically, the thicknesses of the first connecting rod 21 , the second connecting rod 22 , the third connecting rod 23 and the fourth connecting rod 24 are the same, and the rotation axis of the hinged joint between the first connecting rod 21 and the second connecting rod 22 is in the first connecting rod On the plane where the bottom surfaces of the rod 21 and the second link 22 are located, the rotation axis of the hinged joint of the third link 23 and the fourth link 24 is on the plane where the bottom surfaces of the third link 23 and the fourth link 24 are located, The distance between the rotation axis where the second link 22 and the third link 23 are hinged and the plane where the bottom surfaces of the second link 22 and the third link 23 are located is equal to the thickness of the second link 22 .

Specifically, the outriggers 4 are divided into a first outrigger 41 hinged at the hinge of the first link 21 and the second link 22 , and a second leg hinged at the hinge of the second link 22 and the third link 23 . 42. The third leg 43 hinged at the hinge of the third link 23 and the fourth link 24, the transmission mechanism includes a first transmission mechanism for controlling the rotation of the first leg 41, and a transmission mechanism for controlling the second leg 42 The rotating second transmission mechanism and the third transmission mechanism for controlling the rotation of the third leg 43 .

Specifically, the first transmission mechanism includes a first ring gear 5 fixedly connected to the first connecting rod 21 , a first gear 6 is engaged with the first ring gear 5 , and a second connecting rod 22 is engaged with the first gear 6 . Rotationally connected second gear 7, the axes of the first ring gear 5 and the second gear 7 are located on the rotation axis of the hinge joint of the first link 21 and the second link 22, the second gear 7 and the second link 22 Rotationally connected, the second gear 7 is fixedly connected with the first leg 41 , the transmission ratio of the first ring gear 5 and the second gear 7 is two, when the first link 21 rotates relative to the second link 22, the first gear The ring 5 drives the second gear 7 to rotate, thereby making the first leg 41 rotate.

Specifically, the second transmission mechanism includes a rotating shaft 8 rotatably mounted on the other end of the second connecting rod 22 , one end of the rotating shaft 8 is fixedly connected with the third gear 9 , and the other end of the rotating shaft 8 is fixedly connected with the second leg 42 , the third gear 9 is meshed with the fourth gear 10 , the fourth gear 10 is fixedly installed on the third connecting rod 23 , and the axis of the fourth gear 10 is located at the rotation axis of the hinged joint between the third connecting rod 23 and the second connecting rod 22 Above, the transmission ratio of the third gear 9 and the fourth gear 10 is two.

Preferably, the structure of the third transmission mechanism is the same as that of the first transmission mechanism. When the first link 21 rotates relative to the second link 22, the first ring gear 5 rotates the first gear 6, thereby causing the second gear 7 to rotate. With the first leg 41 rotated, since the transmission ratio of the first ring gear 5 and the second gear 7 is two, when the first link 21 and the second link 22 are folded together, the first leg 41 rotates Ninety degrees, so it is folded together with the first link 21 and the second link 22, and the other legs 4 are the same, so it is convenient to fold.

Specifically, the folding mechanism includes four sets of connecting components and two sets of fixing components. The connecting components include an intermediate rod 11 , at least two fifth links 12 are hinged on both sides of the intermediate rod 11 , and the other end of the fifth link 12 is hinged There is a connecting rod 13, at least two sixth connecting rods 14 are hinged on the other side of the connecting rod 13, and the other end of the sixth connecting rod 14 is hinged with the folding rod 2, and the folding mechanism also includes a mechanism for keeping the two folding rods 2. Fixed components with a certain spacing.

Specifically, the fixing assembly includes two support rods 15 , both ends of the support rods 15 are fixedly connected with connecting sleeves 16 , and both ends of the folding rod 2 are provided with insertion rods 17 adapted to the connecting sleeves 16 .

Specifically, a support rod 18 is detachably connected to the bottom of the connecting sleeve 16 , and a slot into which the support rod 18 can be inserted is formed on the insertion rod 17 .

Further, the bottom of the connecting sleeve 16 is provided with a slot, an arc-shaped elastic piece 19 is arranged in the slot, and a protrusion 1 is arranged on the support rod 18

In the description of the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral Connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and range of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (10)

1. A portable camp bed, characterized in that it comprises two folding rods (2) symmetrically arranged with each other, a cloth (3) is connected between the two folding rods (2), and the folding rods (2) ) consists of a first connecting rod (21), a second connecting rod (22), a third connecting rod (23) and a fourth connecting rod (24) which are hinged in sequence. The hinges on the connecting rod (22), the third connecting rod (23) and the fourth connecting rod (24) are all rotatably connected with outriggers (4), and the folding rods (2) are provided with outriggers (4) for controlling the 4) Rotating transmission mechanism, when the folding rod (2) is unfolded, the transmission mechanism makes the outrigger (4) perpendicular to the folding rod (2), and when the folding rod (2) is folded, the transmission mechanism makes the outrigger (4) and the folding rod (2) perpendicular. The folding rods (2) are parallel, and a folding mechanism for spreading the cloth (3) is installed between the two folding rods (2). 2. The portable camp bed according to claim 1, wherein the first link (21), the second link (22), the third link (23) and the fourth link (24) ) of the same thickness, the axis of rotation at the hinged joint of the first connecting rod (21) and the second connecting rod (22) is on the plane where the bottom surfaces of the first connecting rod (21) and the second connecting rod (22) are located, The rotation axis of the hinge joint of the third link (23) and the fourth link (24) is on the plane where the bottom surfaces of the third link (23) and the fourth link (24) are located, and the second link The distance between the axis of rotation where the rod (22) and the third link (23) are hinged and the plane where the bottom surfaces of the second link (22) and the third link (23) are located is equal to the distance between the second link (22) thickness of. 3. The portable camp bed according to claim 2, characterized in that, the outrigger (4) is divided into a first leg hinged at the hinge of the first connecting rod (21) and the second connecting rod (22) A leg (41), a second leg (42) hinged on the hinge of the second link (22) and the third link (23), hinged on the third link (23) and the fourth link (24) The third leg (43) at the hinge, the transmission mechanism comprises a first transmission mechanism for controlling the rotation of the first leg (41), a second transmission mechanism for controlling the rotation of the second leg (42), and A third transmission mechanism for controlling the rotation of the third leg (43). 4. The portable camp bed according to claim 3, wherein the first transmission mechanism comprises a first ring gear (5) fixedly connected in the first link (21), the first gear A first gear (6) is meshed in the ring (5), and a second gear (7) rotatably connected to the second connecting rod (22) is meshed with the first gear (6). 5) and the axis of the second gear (7) is located on the rotation axis of the hinged joint between the first connecting rod (21) and the second connecting rod (22), the second gear (7) and the second connecting rod (22) ) is connected in rotation, the second gear (7) is fixedly connected with the first leg (41), and the transmission ratio of the first ring gear (5) and the second gear (7) is two. 5. The portable walking bed according to claim 3, wherein the second transmission mechanism comprises a rotating shaft (8) rotatably mounted on the other end of the second connecting rod (22), and the rotating shaft (8) ) is fixedly connected with a third gear (9), the other end of the rotating shaft (8) is fixedly connected with the second leg (42), and a fourth gear (10) is engaged with the third gear (9). ), the fourth gear (10) is fixedly mounted on the third connecting rod (23), and the axis of the fourth gear (10) is located at the hinge joint of the third connecting rod (23) and the second connecting rod (22) On the rotation axis of , the transmission ratio of the third gear (9) and the fourth gear (10) is two. 6 . The portable camp bed according to claim 4 , wherein the third transmission mechanism has the same structure as the first transmission mechanism. 7 . 7. The portable camp bed according to any one of claims 1-6, wherein the folding mechanism comprises four sets of connecting components and two sets of fixing components, and the connecting components comprise an intermediate rod (11), so At least two fifth connecting rods (12) are hinged on both sides of the intermediate rod (11), and a connecting rod (13) is hinged on the other end of the fifth connecting rod (12), and the connecting rods (13) At least two sixth connecting rods (14) are hinged on the other side of the connecting rod, the other end of the sixth connecting rod (14) is hinged with the folding rod (2), and the folding mechanism also includes a mechanism for making the two folding rods (2) Fixed components that maintain a certain distance. 8 . The portable camp bed according to claim 7 , wherein the fixing assembly comprises two support rods ( 15 ), and both ends of the support rod ( 15 ) are fixedly connected with connecting sleeves ( 16 ). 9 . , both ends of the folding rod (2) are provided with insertion rods (17) which are matched with the connecting sleeve (16). 9 . The portable camp bed according to claim 8 , wherein a support rod ( 18 ) is detachably connected to the bottom of the connecting sleeve ( 16 ), and a support rod ( 18 ) is provided on the insertion rod ( 17 ). 10 . The slot into which the rod (18) is inserted. 10. The portable camp bed according to claim 8, characterized in that a slot is provided at the bottom of the connecting sleeve (16), and an arc-shaped elastic sheet (19) is arranged in the slot, and the support rod (18) is provided with a protrusion (1).

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